Corning's (GLW) third-quarter profit rose 22% from a year earlier, as higher sales of the company's automotive and diesel-emission products more than offset the falling glass prices for flat-panel TVs.

Masdar, the $22 billion green city that United Arab Emirates capital Abu Dhabi is building in the desert just outside its borders, has canceled its plans to generate all of its own clean energy and to emit zero carbon.

Electric car maker Tesla's Roadster has amazing acceleration, but the rise and fall of the company's stock after its high-profile IPO was even faster. Tesla debuted on the public market last week at $17 a share and shot up 79% to $30.42 in two days. Now, it's back below the IPO price.

The oil spill is a major environmental disaster, yet the big black cloud has a silver lining. Industry insiders say clean-energy technologies could benefit from the public and political backlash against fossil fuels.

After a long period of ever-escalating anticipation, the startup California cleantech company is finally unveiling its technology. Will the claims of breakthroughs in terms of efficiency, affordability and scalability (and don't forget cost) get borne out at last?